DataAccessService Class

Provides information on the data source bound to the SnapControl.

Namespace: DevExpress.Snap.Services

Assembly: DevExpress.Snap.v18.1.Core.dll

Declaration

C#

public class DataAccessService :
    DataAccessServiceBase

VB.NET

Public Class DataAccessService
    Inherits DataAccessServiceBase

Remarks

The SnapControl.DataSources property provides access to data sources bound to the SnapControl. However, to obtain the type of a certain field in a data source with minimal effort, you can use the DataAccessService.GetColumnType method of the DataAccessService class.

Tip

To access the DataAccessService service, use the RichEditControl.GetService<T> method.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the DataAccessService class.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

how-to-obtain-a-data-type-of-a-field-in-the-data-source-bound-to-snapcontrol-t273073/CS/GetColumnType/Form1.cs#L18

{
    DevExpress.Snap.Services.DataAccessService srv = this.snapControl1.GetService<DevExpress.Snap.Services.DataAccessService>();
    Type type = srv.GetColumnType(dataSource, dataMember, columnName);

VB.NET

how-to-obtain-a-data-type-of-a-field-in-the-data-source-bound-to-snapcontrol-t273073/VB/GetColumnType/Form1.vb#L18

Private Sub ShowColumnType(ByVal dataSource As Object, ByVal dataMember As String, ByVal columnName As String)
    Dim srv As DevExpress.Snap.Services.DataAccessService = Me.snapControl1.GetService(Of DevExpress.Snap.Services.DataAccessService)()
    Dim type As Type = srv.GetColumnType(dataSource, dataMember, columnName)

Inheritance

Object

DevExpress.Snap.Core.Native.Data.Implementations.DataAccessServiceBase

DataAccessService